Cheap flights from Ontario to Missouri from C$ 217
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Missouri departing on 15/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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WestJet flights from Region of Ontario to Missouri
Our best WestJet deals on Region of Ontario to Missouri flight tickets
American Airlines flights from Region of Ontario to Missouri
Our best American Airlines deals on Region of Ontario to Missouri flight tickets
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How to get the cheapest flight ticket from Region of Ontario to Missouri
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Missouri?
The month of October is, on average, the cheapest month to fly to Missouri from Region of Ontario, with most prices found around C$ 634. If you are unable to visit Missouri during the month of October, then departing from Region of Ontario during the month November is also very affordable. Most momondo users find prices during this month for around C$ 644.
What is the cheapest day to depart on your flight to Missouri?
Our data shows that Wednesday is the least expensive day to fly to Missouri. Tickets to fly out on this day can be as low as C$ 566. If your travel schedule is flexible, try to avoid departing on a Thursday because tickets tend to average around C$ 937. These prices are subject to change though, so be sure to set up a Price Alert for flights to Missouri.
What is the cheapest time of day to depart on your flight to Missouri?
Our data shows that the cheapest Region of Ontario to Missouri flights are usually those with departure times in the morning. Our users have found flights to Missouri in the morning for as low as C$ 623. In the evening is when there is more demand to fly to Missouri, so prices are often more expensive at around C$ 862 per ticket.
What is the cheapest Ontario to Missouri flight route?
Fly from Toronto Pearson Intl to Lambert-St Louis for the best Ontario - Missouri flight prices
How far in advance should I book a flight to Missouri?
You are more likely to see cheaper flights to Missouri from Region of Ontario when booking 13 weeks ahead of your departure date. In general, you can expect to find flights to Missouri for around C$ 713 when searching 13 weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Missouri from Region of Ontario for as low as C$ 600 on momondo.
What cabin class options are available on Ontario to Missouri flights?
There are 1 cabin classes available to choose from on Ontario to Missouri flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from Ontario to Missouri?
Air Canada, Delta, and American Airlines are the most popular carriers operating from Ontario to Missouri
Which airlines fly to Missouri?
Air Canada, United Airlines and WestJet are the top three most popular airlines that fly to Missouri from Region of Ontario according to our data. Air Canada is the first choice among our users, with 61% of people opting to fly with this airline when travelling to Missouri. Keep in mind that there are 5 different airlines that fly to Missouri on a routine basis, so you have a few additional options to choose from.
How many flights depart from Region of Ontario to Missouri on average per day?
As of June 2025, 5 flights take off from Region of Ontario and land in Missouri each day. The most common flight departure time for this route is 6:00p.m., with 53% of daily flights taking off in the evening.
How many flights depart from Region of Ontario to Missouri on average per week?
39 flights are operational weekly from Region of Ontario to Missouri as of June 2025. The most popular departure day for this route is Mon, with 15% of flights per week taking off on this day.
Cheap Region of Ontario to Missouri flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Region of Ontario to Missouri
Best price found | C$ 217 |
|---|---|
Fastest flight time | 2h 03m |
Direct flights | Every day |
Airports in Missouri | 2 airports |
When did momondo last update prices for flights from Ontario to Missouri?
Prices for flights from Ontario to Missouri are refreshed on a daily basis.
How many operators does momondo search for flights from Ontario to Missouri?
There are 5 operators available for flights from Ontario to Missouri as of June 2025.
How old do you have to be to fly from Ontario to Missouri?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Ontario to Missouri.
What documentation or ID do you need to fly to Missouri?
The necessary travel and health documents for your Missouri trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Region of Ontario to Missouri?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Region of Ontario to Missouri is Canadair (Bombardier) Regional Jet 900 (55.78% of total bookings). The next most popular plane models are Airbus A220-300 (38.56%), Airbus A319 (1.54%), and Airbus A320-100/200 (1.54%).
Best airlines flying from Region of Ontario to Missouri
Compare and see reviews for airlines that fly from Region of Ontario to Missouri with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom C$ 420 | Free Cancellation | Rating 7.1 9,554 reviews | |||
| PriceFrom C$ 471 | Free Cancellation | Rating 7.4 8,801 reviews | |||
| PriceFrom C$ 520 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom C$ 546 | Free Cancellation | Rating 8.0 7,963 reviews | |||
| PriceFrom C$ 548 | Free Cancellation | Rating 7.2 2,873 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Ontario to Missouri?
To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Missouri from Ontario.
Can I find flights from Ontario to Missouri with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for Ontario to Missouri flights to just show those with flexible booking policies.
How can momondo help me find flights from Ontario to Missouri?
Once all potential Ontario to Missouri flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.
I’m not ready to book a flight from Ontario to Missouri right now. Can momondo alert me if prices change?
Of course. momondo tracks the price of Ontario to Missouri flights. All you need is a valid email address and we will do the rest; it is that quick and easy.